Pressure Relief Valve In Cap, Checking

Fig 1: Attaching Cooling System Tester V.A.G 1274 With Adapter V.A.G 1274/9 On Sealing Cap

Courtesy of AUDI OF AMERICA, LLC

-- Attach THE V.A.G 1274 B with V.A.G 1274/9 to sealing cap.

-- Generate pressure with cooling system tester hand pump.

• The pressure release valve must open at 1.4 to 1.6 bar.

-- If pressure relief valve does not open as specified, replace cap.